Revolution in Russia is the lession
1 answer:
Answer: The answers are in the photo. (They are color-coded.)
Step-by-step explanation:
A monarchy, democracy, and communism are different ways to run a government.
A monarchy is usually ruled by someone of royalty, like a king or queen. Typically, they inherit all the power and get to make all the decisions, whether their people like it or not.
In a democracy, the people have many liberties and rights. They get to vote for candidates that represent them that could get elected as a president, minister, mayor, etc. Those elected have to listen to what their people want.
In communism, the government gets to make all the decisions whether it benefits the people or not. This is runned by a single-party, meaning no other parties are allowed to be developed or run.
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Answer:
(a) The probability that the port handles less than 5 million tons of cargo per week is 0.7291.
(b) The probability that the port handles 3 or more million tons of cargo per week is 0.9664.
(c) The probability that the port handles between 3 million and 4 million tons of cargo per week is 0.2373.
(d) The number of tons of cargo per week that will require the port to extend its operating hours is 5.35 million tons.
Step-by-step explanation:
Let <em>X</em> = amount of cargo the port handles per week.
The random variable <em>X</em> is Normally distributed with parameters,
<em>μ</em> = 4.5 million
<em>σ</em> = 0.82 million
(a)
Compute the probability that the port handles less than 5 million tons of cargo per week as follows:
*Use a <em>z</em>-table for the probability.
Thus, the probability that the port handles less than 5 million tons of cargo per week is 0.7291.
(b)
Compute the probability that the port handles 3 or more million tons of cargo per week as follows:
*Use a <em>z</em>-table for the probability.
Thus, the probability that the port handles 3 or more million tons of cargo per week is 0.9664.
(c)
Compute the probability that the port handles between 3 million and 4 million tons of cargo per week as follows:
Thus, the probability that the port handles between 3 million and 4 million tons of cargo per week is 0.2373.
(d)
It is provided that P (X < x) = 0.85.
Then, P (Z < z) = 0.85.
The value of <em>z</em> for this probability is:
<em>z</em> = 1.04.
Compute the value of <em>x</em> as follows:
Thus, the number of tons of cargo per week that will require the port to extend its operating hours is 5.35 million tons.